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Credential stuffing attacks are on the rise and must be addressed with precedence and efficiency. There is an innovative solution called MagicLinks that can help prevent credential stuffing attacks effectively. In this blog, we will explore what credential stuffing is, how it works, and, most importantly, how MagicLinks can be used to prevent credential stuffing attacks. What is Credential Stuffing? Credential stuffing is a type of cyber attack where attackers use stolen username and password combinations, typically obtained from previous data breaches, to gain unauthorized access to user accounts on different online platforms. The attackers automate the process by using software tools that systematically try multiple combinations of usernames and passwords across various websites or applications until a successful login is achieved. Once the attacker gains access, they can misuse the account for various malicious activities, including data theft, financial fraud, and other types of cybercrime. How Does Credential Stuffing Work? Credential stuffing attacks typically follow a pattern of steps: Attackers obtain usernames and passwords from data breaches, dark web marketplaces, or other illicit means. These credentials may be from previous data breaches of other websites or applications. 1. Obtaining Credentials: Attackers use automated tools to systematically try multiple combinations of usernames and passwords across different online platforms. These tools can quickly make numerous login attempts in a short period of time, exploiting the stolen credentials to gain unauthorized access. 2. Automated Login Attempts: Once the attacker successfully logs in, they gain unauthorized access to the user’s account. They can then perform various malicious activities, such as stealing sensitive data, conducting financial fraud, or disrupting the account owner’s activities. 3. Account Takeover: How to Prevent Credential Stuffing Attacks: Here are some effective measures to prevent credential stuffing attacks: A complex password policy is a set of guidelines and requirements that dictate how users should create and manage their passwords for accessing company systems, applications, and data. This policy is designed to enhance security by ensuring that passwords are strong and difficult to guess or hack. Business need to design a good password policy. 1. Password Policy: Businesses can also consider using specialized MFA solutions, which can provide additional security features such as risk-based authentication, which assesses the risk level of a login attempt based on factors such as location, device, and behavior.It will reduce the risk of identity theft. 2. Enable Multi-Factor Authentication (MFA): Businesses need to be proactive in monitoring for potential threats. This may involve using specialized software to track network traffic and flag any suspicious activity. It may also involve implementing strict security protocols and providing training to employees on how to identify and respond to potential breaches. 3. Monitor for Data Breaches: Implement account lockout policies and throttling mechanisms that temporarily lock or limit the number of login attempts after a certain number of failed login attempts. This can thwart automated tools used in credential stuffing attacks. 4. Implement Account Lockouts and Throttling: Phishing attacks are often the starting point for credential stuffing attacks. Educate users on how to identify and avoid phishing attempts, such as being cautious of suspicious emails or websites, not clicking on unknown links, and not providing credentials unless verified. 5. Educate Users on Phishing Awareness: Keep all your software up-to-date with the latest security patches. This includes operating systems, web browsers, plugins, and other applications. Patching known vulnerabilities helps to prevent attackers from exploiting them in credential stuffing attacks. 6. Regularly Update and Patch Software: Implement anomaly detection mechanisms that can detect unusual login patterns or behaviour, such as multiple failed login attempts from different locations or devices within a short period of time. This can help detect and block credential stuffing attacks in real-time. 7. Implement Anomaly Detection: How MagicLinks Can Prevent Credential Stuffing Attacks: are an innovative solution that can effectively prevent credential stuffing attacks. MagicLinks replaces the need for passwords with secure, time-limited, and unique links that are sent to the user’s registered email address or mobile device. Here’s how MagicLinks can prevent credential stuffing attacks: MagicLinks With MagicLinks, users do not need to remember passwords or use the same password across multiple accounts. Each time a user wants to log in, a unique link is generated and sent to their registered email address or mobile device, which they can click to access their account. This eliminates the risk of password-related vulnerabilities, such as weak passwords, password reuse, or password leaks from data breaches. 1. Eliminates Passwords: MagicLinks are time-limited, meaning they expire after a certain period of time, usually within a few minutes. This prevents attackers from reusing the links or trying to gain unauthorized access after the link has expired. It also adds an additional layer of security as the link becomes invalid after a short period of time, reducing the window of opportunity for attackers. 2. Time-limited Links: MagicLinks are unique to each user and each login attempt. This means that even if an attacker obtains a MagicLink, it cannot be used to gain unauthorized access to other accounts or reused in other login attempts. This makes it extremely difficult for attackers to use stolen credentials for credential stuffing attacks as each link is specific to the user and the login session. 3. Unique Links: MagicLinks or Email OTPs are sent to the user’s registered email address and SMS are sent to the user’s mobile device, and the user needs to click on the link or need to enter the OTP to verify their identity and access their account. This adds an extra layer of authentication, as the user needs to have access to their registered email address or mobile device to complete the login process. This helps prevent unauthorized access by attackers who do not have access to the user’s email or mobile device. 4. Email/Mobile Verification:

An Introduction to Credential Stuffing Attacks 

Introducción a los ataques de Credential Stuffing

Introduction aux attaques par credential stuffing

क्रेडेंशियल स्टफिंग अटैक का परिचय

Credential Stuffing 攻撃の概要

Uma introdução aos ataques de preenchimento de credenciais

Giới thiệu về các cuộc tấn công nhồi thông tin xác thực

撞库攻击简介

Last week I tried using ChatGPT to write an app using the new database I’m building, when I realized a curious problem: ChatGPT’s is before I started working on . So it has never heard of it and instead pulls in unrelated modules. Oops — does that mean no new libraries will ever become popular? I hope not. cutoff-date Fireproof Luckily I discovered , not just mine. ChatGPT famously likes being brought up to speed on a new topic with ultra-dense barely human-readable reminders of the topic and context. So I set about teaching a new instance to use my database, and afterward asked it to prepare a compact prompt to teach any other instance of ChatGPT to use Fireproof. What it came up with worked right away, but wasn’t as compact as I was hoping. I asked a few more times, and then I realized it was converging on a simple JavaScript program that illustrates the major features of the database. a solution that will work for any library Like a chip behind Neo’s ear Teaching ChatGPT a new skill like this turns out to be even better than relying on its inbuilt training, because more details help the model focus, so telling it exactly which API to use lets it focus on more important things, like getting your application’s routing and design right. Here is the one-line incantation, something I’m calling gptdoc, but is inspired by . Paste this to your ChatGPT (followed by an app description in the same prompt) and let it start your new project: @gfodor’s shoggoth-speak Fireproof/API/Usage: import { Fireproof, Index } from '@fireproof/core'; const db = fireproof.storage('app-db-name'); const ok = await db.put({ any: 'json' }); const doc = await db.get(ok.id); await db.del(doc._id); const all = await db.allDocuments(); all.rows.map(({key, value}) => value); useEffect(() => db.subscribe(updateReactStateFn), []); const index = new Index(db, (doc, map) => map(doc.any, {custom: Object.keys(doc)})); const result = await index.query({range : ['a', 'z']}); result.rows.map(({ key }) => key); In the same prompt, describe the app you want to build. Here are some examples that worked for me: Create a React app using Fireproof for tracking party invites. It should have a text input that creates a new document with the guest name, and an Index that lists all guests in a <ul>. ( ) Running copy here. Build a React app that allows you to create profiles for dogs, and browse to each profile. It should be optimized for mobile. Use Tailwind. Build a photo grid app with drag-and-drop ordering that references photos by url. Use Tailwind and render all photos as squares. Keep grid arrangement in Fireproof with one document for each gallery, that is: 4-16 photos arranged into a layout. Build an app using React, Fireproof, MagicLink, and Tailwind that allows users to create one-question multiple-choice polls and collect the answers. Create a note-taking app using React, Tailwind, and Fireproof that stores each note as a large text string in a Fireproof document, and uses an Index to split the text of the documents into tokens for full-text search. The app has an input field to search the documents via an index query. Create your own gptdoc This technique will help any JavaScript library, even ones already in the training set, as it helps ChatGPT focus on what you are requesting. I was amazed to see the work I did with GPT to document my library started to converge onto an example program I had written as docs for power users. Here is the above gptdoc broken out for readability, with comments added for what I think ChatGPT learns from each line: // consider the following an API usage example:
Fireproof/API/Usage: 

// sometimes it only imports what it uses
import { Fireproof, Index } from '@fireproof/core'; 

// app-db-name can be anything
const db = fireproof.storage('app-db-name'); 

// put returns a response object with an id
const ok = await db.put({ any: 'json' }); 

// you can use ok.id to get the document
const doc = await db.get(ok.id); 

// when it's embedded in a document and not a response object, the id is in _id
await db.del(doc._id); 

// you can load all documents, the document data is in value
const all = await db.allDocuments(); 
all.rows.map(({key, value}) => value); 

// database changes should be used to updateReactStateFn
useEffect(() => db.subscribe(updateReactStateFn), [])

// create an index to sort documents in any order
const index = new Index(db, (doc, map) => map(doc.any, {custom: Object.keys(doc)})); 

// query the index with a range
const result = await index.query({range : ['a', 'z']}); 
result.rows.map(({ key }) => key); So if your library can be encapsulated into a small illustrative program, try feeding it to ChatGPT and see if the apps it gives you come out cleaner! Now that I’ve tested it, I even added it to — maybe this will help when it is finally added to the training set. the library’s package.json Context-free Some APIs, like and Fireproof, are explicitly designed to be useful without bringing in a lot of other context. Just a conjecture, but to me, it seems like context-free is gonna get more important in the AI age, both because it’s easier for ChatGPT to write that way, but also because as the sheer volume of apps grows, context becomes a liability. Read more about Tailwind why I think apps don’t need all that context anymore.

Get ChatGPT to Focus on Coding on the Right APIs With Gptdoc Strings

Dick Sands the Boy Captain by Jules Verne, is part of the HackerNoon Books Series. You can jump to any chapter in this book . A MAGICIAN here A MAGICIAN. On finding that Cousin Benedict did not return to his quarters at the proper hour, Mrs. Weldon began to feel uneasy. She could not imagine what had become of him; his tin box with its contents were safe in his hut, and even if a chance of escape had been offered him, she knew that nothing would have induced him voluntarily to abandon his treasures. She enlisted the services of Halima, and spent the remainder of the day in searching for him, until at last she felt herself driven to the conviction that he must have been confined by the orders of Alvez himself; for what reason she could not divine, as Benedict had undoubtedly been included in the number of prisoners to be delivered to Mr. Weldon for the stipulated ransom. But the rage of the trader when he heard of the escape of the captive was an ample proof that he had had no hand in his disappearance. A rigorous search was instituted in every direction, which resulted in the discovery of the mole-track. Here beyond a question was the passage through which the fly-catcher had found his way. "Idiot! fool! rascal!" muttered Alvez, full of rage at the prospect of losing a portion of the redemption-money; "if ever I get hold of him, he shall pay dearly for this freak." The opening was at once blocked up, the woods were scoured all round for a considerable distance, but no trace of Benedict was to be found. Mrs. Weldon was bitterly grieved and much overcome, but she had no alternative except to resign herself as best she could to the loss of her unfortunate relation; there was a tinge of bitterness in her anxiety, for she could not help being irritated at the recklessness with which he had withdrawn himself from the reach of her protection. Meanwhile the weather for the time of year underwent a very unusual change. Although the rainy season is ordinarily reckoned to terminate about the end of April, the sky had suddenly become overcast in the middle of June, rain had recommenced falling, and the downpour had been so heavy and continuous that all the ground was thoroughly sodden. To Mrs. Weldon personally this incessant rainfall brought no other inconvenience beyond depriving her of her daily exercise, but to the natives in general it was a very serious calamity. The ripening crops in the low-lying districts were completely flooded, and the inhabitants feared that they would be reduced to the greatest extremities; all agricultural pursuits had come to a standstill, and neither the queen nor her ministers could devise any expedient to avert or mitigate the misfortune. They resolved at last to have recourse to the magicians, not those who are called in request to heal diseases or to procure good luck, but to the , sorcerers of a superior order, who are credited with the faculty of invoking or dispelling rain. mganga But it was all to no purpose. It was in vain that the monotoned their incantations, flourished their rattles, jingled their bells, and exhibited their amulets; it was equally without avail that they rolled up their balls of dirt and spat in the faces of all the courtiers: the pitiless rain continued to descend, and the malign influences that were ruling the clouds refused to be propitiated. mganga The prospect seemed to become more and more hopeless, when the report was brought to Moena that there was a most wonderful resident in the north of Angola. He had never been seen in this part of the country, but fame declared him to be a magician of the very highest order. Application, without delay, should be made to him; he surely would be able to stay the rain. mganga Early in the morning of the 25th a great tinkling of bells announced the magician's arrival at KazonndÃ©. The natives poured out to meet him on his way to the , their minds being already predisposed in his favour by a moderation of the downpour, and by sundry indications of a coming change of wind. chitoka The ordinary practice of the professors of the magical art is to perambulate the villages in parties of three or four, accompanied by a considerable number of acolytes and assistants. In this case the came entirely alone. He was a pure negro of most imposing stature, more than six feet high, and broad in proportion. All over his chest was a fantastic pattern traced in pipe-clay, the lower portion of his body being covered with a flowing skirt of woven grass, so long that it made a train. Round his neck hung a string of birds' skulls, upon his head he wore a leathern helmet ornamented with pearls and plumes, and about his waist was a copper girdle, to which was attached bells that tinkled like the harness of a Spanish mule. The only instrument indicating his art was a basket he carried made of a calabash containing shells, amulets, little wooden idols and other fetishes, together with what was more important than all, a large number of those balls of dung, without which no African ceremony of divination could ever be complete. mganga One peculiarity was soon discovered by the crowd; the was dumb, and could utter only one low, guttural sound, which was quite unintelligible; this was a circumstance, however, that seemed only to augment their faith in his powers. mganga With a stately strut that brought all his tinkling paraphernalia into full play, the magician proceeded to make the circuit of the market-place. The natives followed in a troop behind, endeavouring, like monkeys, to imitate his every movement. He turned into the main thoroughfare, and began to make his way direct to the royal residence, whence, as soon as the queen heard of his approach, she advanced to meet him. On seeing her, the bowed to the very dust; then, rearing himself to his full height, he mganga [Illustration: The entire crowd joined in. 441.] Page pointed aloft, and by the significance of his animated gestures indicated that, although the fleeting clouds were now going to the west, they would soon return eastwards with a rotatory motion irresistibly strong. All at once, to the surprise of the beholders, he stooped and took the hand of the mighty sovereign of KazonndÃ©. The courtiers hurried forward to check the unprecedented breach of etiquette, but the foremost was driven back with so staggering a blow that the others deemed it prudent to retire. The queen herself appeared not to take the least offence at the familiarity; she bestowed a hideous grimace, which was meant for a smile, upon her illustrious visitor, who, still keeping his hold upon her hand, started off walking at a rapid pace, the crowd following in the rear. He directed his steps towards the residence of Alvez, and finding the door closed, applied his strong shoulder to it with such effect, that it fell bodily to the ground, and the passive sovereign stood within the limits of the enclosure. The trader was about to summon his slaves and soldiers to repel the unceremonious invasion of his premises, but on beholding the queen all stepped back with respectful reverence. Before Alvez had time to ask the sovereign to what cause he was indebted for the honour of her visit, the magician had cleared a wide space around him, and had once again commenced his performances. Brandishing his arms wildly he pointed to the clouds as though he were arresting them in their course; he inflated his huge cheeks and blew with all his strength, as if resolved to disperse the heavy masses, and then stretching himself to his full height, he appeared to clutch them in his giant grasp. Deeply impressed, the superstitious Moena was half beside herself with excitement; she uttered loud cries and involuntarily began herself to imitate every one of the gestures. The entire crowd joined in, and very soon the low guttural note of the sorcerer was lost, totally drowned in the turmoil of howls, shrieks, and discordant songs. mganga's To the chagrin, however, both of the queen and her subjects, there was not the slightest intimation that the clouds above were going to permit a rift by which the rays of the tropical sun could find a passage. On the contrary, the tokens of improvement in the weather, which had been observed in the early morning, had all disappeared, the atmosphere was darker than ever, and heavy storm-drops began to patter down. A reaction was beginning to take place in the enthusiasm of the crowd. After all, then, it would seem that this famous from whom so much had been expected, had no power above the rest. Disappointment every moment grew more keen, and soon there was a positive display of irritation. The natives pressed around him with closed fists and threatening gestures. A frown gathered on Moena's face, and her lips opened with muttered words clear enough to make the magician understand that his ears were in jeopardy. His position was evidently becoming critical. mganga An unexpected incident suddenly altered the aspect of affairs. The was quite tall enough to see over the heads of the crowd, and all at once pausing in the midst of his incantations, he pointed to a distant corner of the enclosure. All eyes were instantly turned in that direction. Mrs. Weldon and Jack had just come out of their hut, and catching sight of them, the stood with his left hand pointing towards them and his right upstretched towards the heavens. mganga mganga Intuitively the multitude comprehended his meaning. Here was the explanation of the mystery. It was this white woman with her child that had been the cause of all their misery, it was owing to them that the clouds had poured down this desolating rain. With yells of execration the whole mob made a dash towards the unfortunate lady who, pale with fright and rigid as a statue, stood clasping her boy to her side. The , however, anticipated them. Having pushed his way through the infuriated throng, he seized the child and held him high in the air, as though about to hurl him to the ground, a peace-offering to the offended gods. mganga [Illustration: "Here they are, captain! both of them!!"] Mrs. Weldon gave a piercing shriek, and fell senseless to the earth. Lifting her up, and making a sign to the queen that all would now be right, the retreated carrying both mother and child through the crowd, who retreated before him and made an open passage. mganga Alvez now felt that it was time to interfere. Already one of his prisoners had eluded his vigilance, and was he now to see two more carried off before his eyes? was he to lose the whole of the expected ransom? no, rather would he see KazonndÃ© destroyed by a deluge, than resign his chance of securing so good a prize. Darting forwards he attempted to obstruct the magician's progress; but public opinion was against him; at a sign from the queen, he was seized by the guards, and he was aware well enough of what would be the immediate consequence of resistance. He deemed it prudent to desist from his obstruction, but in his heart he bitterly cursed the stupid credulity of the natives for supposing that the blood of the white woman or the child could avail to put an end to the disasters they were suffering. Making the natives understand that they were not to follow him, the magician carried off his burden as easily as a lion would carry a couple of kids. The lady was still unconscious, and Jack was all but paralyzed with fright. Once free of the enclosure the crossed the town, entered the forest, and after a march of three miles, during which he did not slacken his pace for a moment, reached the bank of a river which was flowing towards the north. mganga Here in the cavity of a rock, concealed by drooping foliage, a canoe was moored, covered with a kind of thatched roof; on this the magician deposited his burden, and sending the light craft into mid-stream with a vigorous kick, exclaimed in a cheery voice,- "Here they are, captain! both of them! Mrs. Weldon and Master Jack, both! We will be off now! I hope those idiots of KazonndÃ© will have plenty more rain yet! Off we go!" About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Jules Verne (2005). Dick sands, the boy Captain. Urbana, Illinois: Project Gutenberg. Retrieved October 2022 https://www.gutenberg.org/ebooks/3250.html.images This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

A MAGICIAN

The Moon Metal by Garrett Putman Serviss is part of the HackerNoon Books Series. You can jump to any chapter in this book here . THE MAGICIAN OF SCIENCE THE MAGICIAN OF SCIENCE An attendant entered the room where the perplexed financiers were in session and presented a peculiar-looking card to the president, Mr. Boon. The president took the card in his hand and instantly fell into a brown study. So complete was his absorption that Herr Finster, the celebrated Berlin banker, who had been addressing the chair for the last two hours from the opposite end of the long table, got confused, entirely lost track of his verb, and suddenly dropped into his seat, very red in the face and wearing a most injured expression. But President Boon paid no attention except to the singular card, which he continued to turn over and over, balancing it on his fingers and holding it now at arm’s-length and then near his nose, with one eye squinted as if he were trying to look through a hole in the card. At length this odd conduct of the presiding officer drew all eyes upon the card, and then everybody shared the interest of Mr. Boon. In shape and size the card was not extraordinary, but it was composed of metal. What metal? That question had immediately arisen in Mr. Boon’s mind when the card came into his hand, and now it exercised the wits of all the others. Plainly it was not tin, brass, copper, bronze, silver, aluminum—although its lightness might have suggested that metal—nor even base gold. The president, although a skilled metallurgist, confessed his inability to say what it was. So intent had he become in examining the curious bit of metal that he forgot it was a visitor’s card of introduction, and did not even look for the name which it presumably bore. As he held the card up to get a better light upon it a stray sunbeam from the window fell across the metal and instantly it bloomed with exquisite colors! The president’s chair being in the darker end of the room, the radiant card suffused the atmosphere about him with a faint rose tint, playing with surprising liveliness into alternate canary color and violet. The effect upon the company of clear-headed financiers was extremely remarkable. The unknown metal appeared to exercise a kind of mesmeric influence, its soft hues blending together in a chromatic harmony which captivated the sense of vision as the ears are charmed by a perfectly rendered song. Gradually all gathered in an eager group around the president’s chair. “What can it be?” was repeated from lip to lip. “Did you ever see anything like it?” asked Mr. Boon for the twentieth time. None of them had ever seen the like of it. A spell fell upon the assemblage. For five minutes no one spoke, while Mr. Boon continued to chase the flickering sunbeam with the wonderful card. Suddenly the silence was broken by a voice which had a touch of awe in it: “It must be the metal!” The speaker was an English financier, First Lord of the Treasury, Hon. James Hampton-Jones, K.C.B. Immediately everybody echoed his remark, and the strain being thus relieved, the spell dropped from them and several laughed loudly over their momentary aberration. President Boon recollected himself, and, coloring slightly, placed the card flat on the table, in order more clearly to see the name. In plain red letters it stood forth with such surprising distinctness that Mr. Boon wondered why he had so long overlooked it. "DR. MAX SYX." “Tell the gentleman to come in,” said the president, and thereupon the attendant threw open the door. The owner of the mysterious card fixed every eye as he entered. He was several inches more than six feet in height. His complexion was very dark, his eyes were intensely black, bright, and deep-set, his eyebrows were bushy and up-curled at the ends, his sable hair was close-trimmed, and his ears were narrow, pointed at the top, and prominent. He wore black mustaches, covering only half the width of his lip and drawn into projecting needles on each side, while a spiked black beard adorned the middle of his chin. He smiled as he stepped confidently forward, with a courtly bow, but it was a very disconcerting smile, because it more than half resembled a sneer. This uncommon person did not wait to be addressed. “I have come to solve your problem,” he said, facing President Boon, who had swung round on his pivoted chair. “The metal!” exclaimed everybody in a breath, and with a unanimity and excitement which would have astonished them if they had been spectators instead of actors of the scene. The tall stranger bowed and smiled again: “Just so,” he said. “What do you think of it?” “It is beautiful!” Again the reply came from every mouth simultaneously, and again if the speakers could have been listeners they would have wondered not only at their earnestness, but at their words, for why should they instantly and unanimously pronounce that beautiful which they had not even seen? But every man knew he had seen it, for instinctively their minds reverted to the card and recognized in it the metal referred to. The mesmeric spell seemed once more to fall upon the assemblage, for the financiers noticed nothing remarkable in the next act of the stranger, which was to take a chair, uninvited, at the table, and the moment he sat down he became the presiding officer as naturally as if he had just been elected to that post. They all waited for him to speak, and when he opened his mouth they listened with breathless attention. His words were of the best English, but there was some peculiarity, which they had already noticed, either in his voice or his manner of enunciation, which struck all of the listeners as denoting a foreigner. But none of them could satisfactorily place him. Neither the Americans, the Englishmen, the Germans, the Frenchmen, the Russians, the Austrians, the Italians, the Spaniards, the Turks, the Japanese, or the Chinese at the board could decide to what race or nationality the stranger belonged. “This metal,” he began, taking the card from Mr. Boon’s hand, “I have discovered and named. I call it ‘artemisium.’ I can produce it, in the pure form, abundantly enough to replace gold, giving it the same relative value that gold possessed when it was the universal standard.” As Dr. Syx spoke he snapped the card with his thumb-nail and it fluttered with quivering hues like a humming-bird hovering over a flower. He seemed to await a reply, and President Boon asked: “What guarantee can you give that the supply would be adequate and continuous?” “I will conduct a committee of this congress to my mine in the Rocky Mountains, where, in anticipation of the event, I have accumulated enough refined artemisium to provide every civilized land with an amount of coin equivalent to that which it formerly held in gold. I can there satisfy you of my ability to maintain the production.” “But how do we know that this metal of yours will answer the purpose?” “Try it,” was the laconic reply. “There is another difficulty,” pursued the president. “People will not accept a new metal in place of gold unless they are convinced that it possesses equal intrinsic value. They must first become familiar with it, and it must be abundant enough and desirable enough to be used sparingly in the arts, just as gold was.” “I have provided for all that,” said the stranger, with one of his disconcerting smiles. “I assure you that there will be no trouble with the people. They will be only too eager to get and to use the metal. Let me show you.” He stepped to the door and immediately returned with two black attendants bearing a large tray filled with articles shaped from the same metal as that of which the card was composed. The financiers all jumped to their feet with exclamations of surprise and admiration, and gathered around the tray, whose dazzling contents lighted up the corner of the room where it had been placed as if the moon were shining there. There were elegantly formed vases, adorned with artistic figures, embossed and incised, and glowing with delicate colors which shimmered in tiny waves with the slightest motion of the tray. Cups, pins, finger-rings, earrings, watch-chains, combs, studs, lockets, medals, tableware, models of coins—in brief, almost every article in the fabrication of which precious metals have been employed was to be seen there in profusion, and all composed of the strange new metal which everybody on the spot declared was far more splendid than gold. “Do you think it will answer?” asked Dr. Syx. “We do,” was the unanimous reply. All then resumed their seats at the table, the tray with its magnificent array having been placed in the centre of the board. This display had a remarkable influence. Confidence awoke in the breasts of the financiers. The dark clouds that had oppressed them rolled off, and the prospect grew decidedly brighter. “What terms do you demand?” at length asked Mr. Boon, cheerfully rubbing his hands. “I must have military protection for my mine and reducing works,” replied Dr. Syx. “Then I shall ask the return of one per cent, on the circulating medium, together with the privilege of disposing of a certain amount of the metal—to be limited by agreement—to the public for use in the arts. Of the proceeds of this sale I will pay ten per cent. to the government in consideration of its protection.” “But,” exclaimed President Boon, “that will make you the richest man who ever lived!” “Undoubtedly,” was the reply. “Why,” added Mr. Boon, opening his eyes wider as the facts continued to dawn upon him, “you will become the financial dictator of the whole earth!” “Undoubtedly,” again responded Dr. Syx, unmoved. “That is what I purpose to become. My discovery entitles me to no less. But, remember, I place myself under government inspection and restriction. I should not be allowed to flood the market, even if I were disposed to do so. But my own interest would restrain me. It is to my advantage that artemisium, once adopted, shall remain stable in value.” A shadow of doubt suddenly crossed the president’s face. “Suppose your secret is discovered,” he said. “Surely your mine will not remain the only one. If you, in so short a time, have been able to accumulate an immense quantity of the new metal, it must be extremely abundant. Others will discover it, and then where shall we be?” While Mr. Boon uttered these words, those who were watching Dr. Syx (as the president was not) resembled persons whose startled eyes are fixed upon a wild beast preparing to spring. As Mr. Boon ceased speaking he turned towards the visitor, and instantly his lips fell apart and his face paled. Dr. Syx had drawn himself up to his full stature, and his features were distorted with that peculiar mocking smile which had now returned with a concentrated expression of mingled self-confidence and disdain. “Will you have relief, or not?” he asked in a dry, hard voice. “What can you do? I alone possess the secret which can restore industry and commerce. If you reject my offer, do you think a second one will come?” President Boon found voice to reply, stammeringly: “I did not mean to suggest a rejection of the offer. I only wished to inquire if you thought it probable that there would be no repetition of what occurred after gold was found at the south pole?” “The earth may be full of my metal,” returned Dr. Syx, almost fiercely, “but so long as I alone possess the knowledge how to extract it, is it of any more worth than common dirt? But come,” he added, after a pause and softening his manner, “I have other schemes. Will you, as representatives of the leading nations, undertake the introduction of artemisium as a substitute for gold, or will you not?” “Can we not have time for deliberation?” asked President Boon. “Yes, one hour. Within that time I shall return to learn your decision,” replied Dr. Syx, rising and preparing to depart. “I leave these things,” pointing to the tray, “in your keeping, and,” significantly, “I trust your decision will be a wise one.” His curious smile again curved his lips and shot the ends of his mustache upward, and the influence of that smile remained in the room when he had closed the door behind him. The financiers gazed at one another for several minutes in silence, then they turned towards the coruscating metal that filled the tray. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Garrett Putman Serviss (2005). The Moon Metal. Urbana, Illinois: Project Gutenberg. Retrieved October 2022 https://www.gutenberg.org/cache/epub/8199/pg8199-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org , located at https://www.gutenberg.org/policy/license.html .

THE MAGICIAN OF SCIENCE

It’s a classic saying; a magician will never reveal his secret. Why? Well, the secret is always far less impressive than the trick. Magicians use a fundamental assumption when performing magic, that people can’t think about more than one thing at once. Especially if you’re showing them something with an object they see every day. E.G. a pack of cards or in today’s world, and iPhone. People tend to switch off and go into autopilot mode in the same way they do when they’re driving a car. Magicians and hackers are more similar than you think.Hackers understand technology, electronics and code more than 99% of people and can use this knowledge to manipulate and control what users see, think, and believe in the digital space. Magicians do the same thing, in the physical space, with sleight of hand and mentalism. As someone who has done both, the similarities are shocking, but there is one monumental difference. Magicians perform magic to laypeople for applause. Hackers hack for fun, for exploration of the digital realm and what can be invented for science/art/tech sake. I will for the first and hopefully not the last time here, reveal one of my secrets. Why? I love technology, innovation and creativity, magic is just a trick, it’s embarrassing to be Watch this, it’s my America’s Got Talent Audition: Tom London America’s Got Talent Audition Now you’ve watched that, you either have a lot of questions or want to ask me if your theory as to how it all worked was correct.That’s what Twitter is for. Hit me up. This whole thing was a mission, literally, but also a dream. Controlling thousands of mobile phone screens in real-time My initial concept: to be able to control the screen on mobile phones over the internet. More precisely: Give the impression I clicked my fingers and hacked 2000 phones, in less than 100ms. What can’t I do I have to be able to control 2000+ devices, in real-time, and no one can know it’s happening. Easy enough if they’re all on the same wi-fi network right?‘There’s no wi-fi in the auditorium’ said the fat inspector. First thing I did was eliminate everything I can’t do because of the audition/stage performance/television show constraints:- No wi-fi.- No time for the audience to download an app.- Can’t physically touch any of the users’ devices.- Can’t actually tell them anything before I walk on stage.- Can’t actually do real magic (shock). Basically I can’t do it. Until this. PubNub. PubNub is a real-time data messaging platform, well, they were a year ago. Now they do cloud functions, server blocks and time-saving magic on their data stream, I mean, they power everything I do these days. I got in touch with Stephen Blum, CTO of PubNub. Enter my first SF tech company email thread experience. Stephen replies with this. Minutes later. I then had to convince him I was real? After a couple skype sessions, Stephen hooked me up with Jason and Jasdeep, two of his guys who worked with me and my father (sick programmer) on my web app which did the following. PubNub Magic PubNub works like a giant whatsApp group. You can create a group chat and different services, programs, servers can all subscribe to the chat and understand what’s going on by using a universal language like JSON for storing your data. What’s cool about PubNub is that they have a SDK or API for pretty much everything. Kettle, Sex Toy, Nintendo Switch. There’s probably an SDK for it. (There is literally no SDK for any of those things but yeah, you get it) Controlling the devices with PubNub I created a landing web page that ran a javascript script hooking the page up to pubNub and subscribed it to my channel ‘magic’. I then took out another 3 mobile phones I had laying around and watched them all connect. I then typed out a message ‘Go’ into the pubnub console and watched it fire across the internet to the devices. Once the devices got the message, the javascript triggered a onDelay event which changed the background color of the HTML body. Sick. Hacking the mainframe. Pubnub fires this tiny, several kb message across the internet in less than 100ms and all I had to do was implement their API. I tested this at an event in Barcelona for the launch of Now You See Me 2. Actually it was the pre-screening and my client was the VP of Lionsgate. They wanted me to create some magic that recreated the movie so I got to watch it 6 months early and build this very trick. Click a button, make everyone's devices flash the brand colours. I had about 600 people using it at the same time, looked insane. Bingo, on to something. Synchronising devices if you remember from the video when I raised my hands the devices quite beautifully started blinking almost exactly at the same time. This was harder to do, for many reasons. Firstly, the devices are in an auditorium which means concrete, metal, radio signals from other devices and dreaded microphone radio waves. All this noise is going to slow down the 3G/4G/LTE/Edge connections on the devices. What was crazy was that I only realised this the day before the live audition. At this point, Stephen got two of his team involved, Jasdeep and Jason. They flew out to Studio City in LA and we sat down together over an Unami burger and stressed out for 24 hours about how we could make it work. We came to the conclusion the best way was to work out the device time and the compare this to the server time. This would allow us to create a universal time for all the devices, by working out the local device time difference and adding/subtracting it from our server time. The server would then send out a message through PubNub, the message contained some information in a JSON object which stated the time at which the devices should start flashing in the future, 10 seconds into the future. This meant that once I started the routine, there was 10 seconds for the message to get sent to every device, and no matter how long it takes for them to get the message all the devices would theoretically start at 16:47 (for example). It worked better than I expected, I had devices in 5 countries during testing starting the sequence and precisely the same moment. I just realised, I created a real-time mobile phone screen system. PubNubs messaging system allows me to have theoretically… millions of devices. Picking 5 devices out at random After all the devices flash, I mention to Simon Cowell that I selected 5 devices at random. This was really, really, really cool. When the device subscribes to the stream, it issues a UDID and publishes that to PubNub. This gives me a list of every single device. My server goes through the list, picks 5 at random and pushes them down the PubNub stream. If the local device UDID matches any of those 5 on the stream, the device changes state to ‘chosen’. We’re talking a few lines of code here to do something I would consider incredibly complicated without PubNub. How I did the number trick. Well, that’s a story for another day. No, I didn’t use ‘TOXIC’. Toxic is where you type a number into the iPhone calculator and enter in a random number (call it rN) press, Plus, 0, Times, Left Bracket, Cancel. The result is any number of numbers multiplied together will = rN. I didn’t do that. I get asked how I did this on a daily basis, it was just some clever web app. I’m also shocked that when I perform this at keynote addresses, using it to open apps with pre-filled content or compose emails some people believe I actually have hacked them. You can get away with so much today if you understand the universal level of knowledge most people have for the technology they use.

A Magician Never Reveals his Secret — Unless it’s for Hacker Noon

An augmented reality & artificial intelligence Nigerian startup. My motivations and aspirations founding MagicMirror.ai. I am deeply impressed and inspired by trans-formative technological leaps and with this inspiration I created MagicMirror.ai reaching out to close friends of mine who share a similar vision to join me in bringing this to reality. MagicMirror.ai is an artificial intelligence and augmented reality start up, here we are designing and building the future of personalized fashion. With augmented reality and machine learning, we will enable users view how different hairstyles, clothing, shoes, eye wears and head wears would look on them before they purchase these items. Also with artificial intelligence we will suggest outfits and accessories that would fit our user’s style. In doing this we’ll be saving lots of people their time and money, and we’ll be giving them a magical experience. Hair Swap Our first product is a Social Network, ,accessed through our mobile app, here users try out hairstyles on other people; you simply browse through our hairstyle feed( which is sort of like a news feed but now people upload their hairstyles by taking a clear picture of their face), select a desired hairstyle and then you will be prompted to take a selfie after which you will instantly you see yourself with the new hairstyle. Hair Swap Drea Also we are building an artificial intelligent hairstylist Drea, which will come with our mobile app. You will be able to ask her really cool questions like “what hairstyle will fit me best?”. Or “how do I look with this hairstyle?”. This will come with extensions to an i-pad & smart TVs to be used in hair salons. So you can try out hairstyles you would like to make before you actually make them. That way you’d already know how well it looks on you. This is the future we are creating. Emmanuel Ezenwere, Founder & CEO MagicMirror.ai

MagicMirror.ai

The goal of is to provide an easy way to generate a command-line interface for any module. Easy here means that one can write just a single line of code to make any module ready to be used via CLI. MagiCLI To know you can go right to . To see I believe this can benefit us all**,** keep reading this post. how, MagiCLI's repository why It is known amongst developers that the package.json file can contain a property named which is used to prepare a module to be installed and executed via CLI. In case you don’t know yet about it, I suggest you to check it out here: Node.js bin, https://docs.npmjs.com/files/package.json#bin We have then an easy way to create a module to be specifically used from a command-line, and along with that comes the power to provide an option to anyone to execute a module we’ve built from a terminal, or to call it via child processes by programs running on a different environment than Node.js. Currently, there are 540,885 modules published on npm. I would say that in a lot of times when we want to do something specific from a terminal, the chances are pretty high that we can find a module on npm that is able to do it, however, it probably won’t have a command-line interface. At the moment only 11.86% of the modules published has the bin property defined within package.json (I downloaded the registry mirror to find this number). If those numbers were higher, we would have npm in mind as a source when looking for programs/scripts to be used via command-line. Consequently, we would be using Node.js more often to write CLI tools (Remembering: one source, one repo, one place to track issues and versioning, for multi platforms). For sure, not every package published on npm is suitable for a use from a terminal. Nowadays a lot of front-end specific modules are also published there. But even if we exclude those kinds of modules, we would still have thousands of options (and growing). So, if npm already brought us an easy way to have a module ready for command-line, and now they brought us an even more easy and great tool to use CLI modules, the , why aren’t we taking advantage of that? Why are we not building a huge repository of CLI programs for ourselves? Why one more path towards #JavaScriptEverywhere, #JSEverywhere is not being paved? npx The reason is that even though we have a way to do it, it is not for free. It comes with an extra effort that we consider before taking it. As we naturally do with everything else, we tend to not invest (time, energy, money, etc.) where we don’t see a return. It would be the cost of creating a CLI, plus, the cost of maintaining it every time a module's API is changed. When a module is not being creating to be used via command-line in the first place, and the chances are very low that someone would need it, and would end up looking for it on npm, why invest in those extra steps? Thinking about how someone (or even myself sometime in the future) could benefit from having the option of using via CLI some of the modules I created, but then stopping myself from doing it when considering those topics I mentioned, I started to see how would be great for us all if a command-line interface could be created, and maintained in order to keep up with changes on module’s API, with no effort at all. To help us on that, is here. MagiCLI MagiCLI analyses what is exported by a module, and based on that, it creates help sections (for each command), defines expected options based on the functions parameters names, and creates commands for each function (including nested properties). It is capable to handle many styles of module.exports, and also any kind of function parameters declaration (Rest parameters, Destructuring). Async methods (Promises) are supported out of the box, and a simple API to configure and to handle some steps of the execution flow (stdin, before, after) are also provided. Feel free to raise any sort of ideas in order to improve the tool, and also, to fill an issue if you find out that something went wrong for your case. There is another repository on GitHub, the , where many real published modules are being successfully tested. As the idea is to keep increasing the number of real modules being tested, it made more sense to maintain a repository built specifically for that, instead of being constantly increasing the size of MagiCLI itself over time. In case you want to contribute with the growing numbers of those tests, just send a pull request. MagiCLI Test Machine It took me only a few minutes to update some of my own modules to have a CLI, and I hope MagiCLI can help you in doing the same ;)

Introducing MagiCLI: Automagically generates a command-line interface (CLI) for any module

The biggest pain of experimentation with builds is an overwhelming number of containers / images you can generate in a very short period of time. Nothing can replace a well designed and automated build system. However, before you get there, I attach the commands, which I believe will save you a lot of time. manual Docker Docker Please bare in mind, these commands should be only used on , as they will irreversibly remove all your data. development systems : Delete all containers docker rm $(docker ps -a -q) : Delete all images docker rmi $(docker images -q) (even with linked containers): Force delete all images docker rmi $(docker images -q) --force Useful post? If so, make my day by clicking the heart below! About the Author is the founder and the architect of . You can connect with him on , , , and . Kamil Tamiola Peptone — The Protein Intelligence Company AngelList LinkedIn Twitter Researchgate

MAGICPIN

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MAGICPIN

magicpin.in

501-1K employees

Since 2015

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MAGICPIN

EVERGREEN INDEX #6486

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